US3369417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic speed control means and method
Assignee: Robertshaw Controls Co
•
Filing: 1965-02-23
•
Granted: 1968-02-20
•
Expires: 1985-02-23
Abstract
No abstract record available.
Inventors
- 👤 Douglas R Scott
- 👤 Roy W Houser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:51
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/66; F16H61/662; D; D06; D06F; D06F33/00; D06F33/04; D06F33/10; D06F37/00; D06F37/30; D06F37/308; F04; F04B; F04B49/00; F04B49/20; G; G05; G05D; G05D13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2130995A
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US2585732A
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US2625835A
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US2754691A
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US2823872A
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US3195368A
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US3177898A
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US3216325A
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US3233629A
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US3146633A
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US3216326A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |